Hydraulics & Pneumatics March 2022

HYDRAULICS 30 HYDRAULICS & PNEUMATICS March 2022 www.hpmag.co.uk mould within milliseconds. In doing so, it holds the mould together with a force of 92000 kilonewtons. That’s as if the entire Eiffel Tower, with its weight of around 9000 tonnes, was pressing on the mould,” explains Michael Cinelli, product manager Bühler Die Casting. The Roth Hydraulics hydraulic accumulator manages this production task with ease and high precision. To achieve such solutions, the experts from Bühler and Roth Hydraulics have been cooperating for many years. Cinelli emphasises: “The many years of cooperation in component development with Roth has always made it possible to quickly develop new solutions and further develop existing technology. The joint focus is always on the end customer and the required reliability of the components.” The largest die casting machines in the Carat series are as big as a house. They are eight metres high and stand on a floor space of around 100 sq m. In addition, the Carat’s two-platen technology features a patented and stiffness-optimised platen design for uniform clamping force application, ensuring minimal platen deflection and high dimensional accuracy of castings. In combination with Bühler’s unique real-time controlled casting unit and DataView control, the Carat offers the highest casting dynamics and quality. Highest productivity and environmentally friendly production The enormous power density of hydro storage systems as well as the precise release of energy in the right quantity and at the required time in die casting production saves electrical energy and significantly reduces the required connection power. In addition, the use of recycled aluminium or aluminium obtained through renewable energies enables the potential of CO2-neutral production. As a component of the entire production chain, this improves the ecological footprint of the end product, in this case of the vehicle. Bühler’s vision for the future of the die casting industry is 0 percent scrap, 40 percent less cycle time and 24/7 availability. The larger the castings, the greater the leverage for reducing production costs by reducing cycle time, scrap and increasing availability. Bühler is a pioneer with machines for the production of large die-cast parts and the world market leader in this segment. The Roth family company is also a world market leader in the segments of energy storage systems, composite technologies and surface heating and cooling systems. Frank Fuchs, managing director of Roth Hydraulics, says: “Family-run companies pursue similar values and focus on personal customer relationships. We are pleased and proud that we have been cooperating with Bühler on this basis for many years. The use of our hydraulic accumulators in the new Carat range underpins our successful partnership.” Roth Hydraulics offers energy-efficient hydraulic accumulator solutions for technologies where hydraulic energy needs to be stored or converted. The fluid technology components are not only used in die-casting machines, but also in energy and power plant technology, mobile hydraulics or in oil and gas technology. Roth Hydraulics is a traditional company in the industry with a history of almost 80 years - known under the previous company name ‘Bolenz & Schäfer’. As a full-range supplier, Roth Hydraulics provides a complete technology range with piston, bladder and diaphragm accumulators as well as accumulator systems for a wide variety of applications. Know-how and experience in the development and production of piston accumulators make the company a true specialist. Roth storage systems are designed according to a modular principle. Depending on the requirements, the manufacturer implements customised and economical solutions, as in this case for the family- owned company Bühler. www.buhlergroup.com Roth Hydraulics storage systems are completely piped, have all the necessary safety and monitoring equipment, and comply with international regulations. (Photo: Roth Hydraulics GmbH) Frank Fuchs, managing director of Roth Hydraulics, is convinced that high quality and reliability of the delivered hydro accumulator solutions form the basis for long-term partnerships. (Photo: Roth Hydraulics GmbH)